<!DOCTYPE html>
<html lang="zh-CN">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JavaScript语句</title>
</head>

<body>
    <script>
        //在 HTML 中，JavaScript 语句向浏览器发出的命令。
        //语句是用分号分隔：
        x = 5 + 6;
        y = x * 10;
    </script>
</body>

</html>